package com.lyc.day1104.demo02;

import java.util.ArrayList;
import java.util.List;

/**
 * @author ：Xiaochen
 * @date ：Created in 2022/11/4 21:16
 * @description：
 * @modified By：
 * @version:
 */
public class Test05 {
    public static void main(String[] args) {
        List<Person> personList = new ArrayList<>();
        personList.add(new Person("欧阳雪",18,"中国",'F'));
        personList.add(new Person("Tom",24,"美国",'M'));
        personList.add(new Person("Harley",22,"英国",'F'));
        personList.add(new Person("向天笑",20,"中国",'M'));
        personList.add(new Person("李康",22,"中国",'M'));
        personList.add(new Person("小梅",20,"中国",'F'));
        personList.add(new Person("何雪",21,"中国",'F'));
        personList.add(new Person("李康",22,"中国",'M'));
        //找到年龄大于18岁的人并输出；
        personList.stream().filter(item->{
            return item.getAge()>21;
        }).forEach(item-> System.out.println(item));
        //forEach属于终止操作方法

        //找出所有中国数量
        long count = personList.stream().filter(item->item.getCountry().equals("中国")).count();
        System.out.println(count);
    }
}
class Person {
    private String name;
    private Integer age;
    private String country;
    private char sex;

    public Person(String name, Integer age, String country, char sex) {
        this.name = name;
        this.age = age;
        this.country = country;
        this.sex = sex;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", country='" + country + '\'' +
                ", sex=" + sex +
                '}';
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }

    public String getCountry() {
        return country;
    }

    public void setCountry(String country) {
        this.country = country;
    }

    public char getSex() {
        return sex;
    }

    public void setSex(char sex) {
        this.sex = sex;
    }
}